.theme-iBC .mainHeader{background-color:var(--colour-white)}.theme-iBC .mainHeader.scrollActive .mobileNavigation:not(.pc-isActive) .mobileNavigationTop{background-color:var(--colour-white)}.theme-MBSI .mainHeader{background-color:var(--colour-darkNavy)}.theme-MBSI .mainHeader.scrollActive .mobileNavigation:not(.pc-isActive) .mobileNavigationTop{background-color:var(--colour-darkNavy)}.theme-RacingRed .mainHeader{background-color:var(--colour-black)}.theme-RacingRed .mainHeader.scrollActive .mobileNavigation:not(.pc-isActive) .mobileNavigationTop{background-color:var(--colour-black)}:root{--header-height: 160px}.mainHeader{position:fixed;top:0;width:100%;z-index:20020;transition:background-color .2s ease;background-color:var(--colour-lightNavy)}.mainHeader.scrollActive .mobileNavigation:not(.pc-isActive) .mobileNavigationTop{background-color:var(--colour-lightNavy)}